Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696070 | Quarternary ammonium salt, method for production thereof, and softener composition using salt | Osamu Tachizawa, Tohru Katoh, Kohshiro Sotoya, Noriko Yamaguchi, Junichi Inokoshi +1 more | 1997-12-09 |
| 5646184 | Preparation for external application to the skin and novel benzoic acid derivatives | Takashi Kitahara, Keiko Koizumi, Noriko Sato, Kimihiko Hori, Hiroyuki Shinta | 1997-07-08 |